From the '80s horror film The Thing to the modern masterpiece Project Hail Mary, these are the greatest sci-fi movies that ...

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

The 1970s were a golden age for cinema of the extraterrestrial variety. Ridley Scott's "Alien" turned the Xenomorph loose on a spaceship, while George Lucas' "Star Wars" introduced us to Wookies and ...